Indistinguishable From Magic
Robert L. Forward
Air Apparent
Piers Anthony
Xanth (31)
Not Quite Dead Enough (The Rex Stout Library)
Rex Stout
Nero Wolfe (53)
Protocol
Keith Laumer
Retief (1)
Yuletide
Zachary Rawlins
The Central Series (3.50)
The Unlikely Magi
The Central Series (1.50)